Freelancer profile translated to English.
Back to original languageAbout Daouda
🚀 Freelance Software Engineer with over5 yearsof experience, **specializing in modernizing critical Java/Spring applications**. Passionate about **performance**, security, and DevOps (Docker, Kubernetes, CI/CD), I help companies transform their legacy systems into robust and scalable solutions.
đź’Ľ With experience in insurance, transport, and the public sector, I support companies in transforming their **critical systems into high-performance and secure solutions**, leveraging event-driven architectures and proven DevOps expertise.
🔎 Accustomed to working in **complex and high-stakes environments**, I design and implement scalable architectures around Java, Spring Boot, microservices, and CI/CD pipelines.
✨ **My strengths**:
- Mastery of the entire development chain: from architecture to technical design to production deployment
- Experience in critical and demanding environments
- Results-oriented and customer satisfaction focused
- Rigor, autonomy, and technical leadership skills
🛠️ **Key Stacks**: Java 8/21, Spring Boot, Spring Batch, REST APIs, CI/CD, GitLab, SQL, Docker, Kubernetes, Jenkins
đź’ˇ Always learning, I strive to innovate and evolve practices to deliver solutions that combine **performance**, security, and business value.
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- CapgeminiFull-Stack Java/Angular Developer | Technical LeadTRANSPORTATIONOctober 2024 - August 2025 (10 months)Rennes, FranceThis project is part of theoverhaulof the audio-visual equipment management platform for one of the Parisian metro lines. The legacy platform, over 15 years old, relies on now obsolete technologies and presents significant security vulnerabilities.This platform allows our client to perform several actions from the PCC, including:• Broadcasting announcements on trains and platforms,• Managing emergency calls from trains,• Reporting breakdowns of onboard and ground equipment.My main activities:• TechnicalDesign• Contribution toArchitecturecommittees• Technical design of the video surveillance module• Leading technical workshops with the client• Carrying outPoCson new project technologies• Onboarding and mentoring junior profiles• FunctionalReferent
- CapgeminiTechnical and Functional LeadTRANSPORTATIONOctober 2023 - July 2025 (1 year and 9 months)Rennes, FranceManagement of application maintenance (TMA) for the audio-visual equipment management platform of a Parisian metro line for one of our clients. This platform allows our client to do, among other things:• Broadcasting announcements on trains and platforms,• Managing emergency calls from trains,• Reporting breakdowns of onboard and ground equipment• Management of line video surveillance**Main Activities**:• Analysis, costing, and development of enhancements and fixes, ensuring high production availability.• Implementation and execution ofperformance teststo ensure platform stability.**Results Achieved**:• Major contribution to achieving a clientsatisfactionscore of 5/5 (end of 2024)• Avery stable productionplatform
- CapgeminiFull-Stack Developer | AKS | KubernetesTRANSPORTATIONNovember 2023 - October 2024 (11 months)Rennes, FranceIntegration into a team of about ten people for the development and management ofseveral web and mobile applicationsfor a major client in Parisian transport. These applications allow users of Parisian public transport to:• Search for routes• Access bus, train, and metro timetables• Access real-time schedules• Access traffic information
My main activities:
• Development and deployment of enhancements on a modern ecosystem (Node.js, React, Java, Kubernetes, Azure)•Designand orchestration ofperformance testcampaigns withGatlingto ensure the reliability of APIs exposed to users• Preparation, production deployment of releases, andactive participation in technical committeesResults Achieved:
• Major contribution to achieving acapacity of 1 millionactive users per hour•Stabilization and optimizationof the authentication module•Reductionin port consumption by 60% at the load balancer level, leading to an approximate15% decrease in infrastructure costs
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Education
- ESIR - Engineering School of Rennes 12020